import axios from 'axios'
import router from '@/router/routers'
import { Notification,MessageBox } from 'element-ui'
import store from '../store'
import {refreshToken} from '@/api/login'
import Config from '@/settings'
import Cookies from 'js-cookie'
import {getToken} from '@/utils/auth'

// 创建axios实例
const service = axios.create({
  baseURL: process.env.NODE_ENV === 'production' ? process.env.VUE_APP_BASE_API : '/', // api 的 base_url
  timeout: Config.timeout // 请求超时时间
})

let prepareConfig
let isRefreshToken = false
// request拦截器
service.interceptors.request.use(
  config => {
    if (getToken()) {
      config.headers['token'] = getToken() // 让每个请求携带自定义token 请根据实际情况自行修改
    }
    //console.log(getToken(),'token')
    config.headers['Content-Type'] = 'application/json'
    config.headers['x-requested-with'] = 'xmlhttprequest'
    if (!isRefreshToken) {
      prepareConfig = config
    }
    return config
  },
  error => {
    // Do something with request error
    console.log(error) // for debug
    Promise.reject(error)
  }
)

// response 拦截器
service.interceptors.response.use(
  response => {
    const code = response.status    
    if (code != 200 ) {
      return Promise.reject('error')
    } else {            
      if(response.data.code != 0) {
        if(response.data.code == 2){
          store.dispatch('LogOut').then(() => {
            location.reload() // 为了重新实例化vue-router对象 避免bug
          }).catch(() => {
            location.reload()
          })
          //router.push({ path: '/' })
          return
        }
        Notification.error({
          title:response.data.message
        })
        return Promise.reject(response.data.message)
      }
      //成功只返回数据
      return response.data.data
    }
  },
  error => {    
    let code = 0
    try {
      code = error.response.status      
    } catch (e) {
      if (error.toString().indexOf('Error: timeout') !== -1) {
        Notification.error({
          title: '网络请求超时',
          duration: 5000
        })
        return Promise.reject(error)
      }
    }
    if (code) {
      if(code === 511){//需要执行刷新token
        isRefreshToken = true
        console.log('-----------刷新Token,这个功能暂时没有做，只是保留这个位置,其他的都可以了----------------')
        return new Promise((resolve, reject) => {
          refreshToken().then(response => {
            isRefreshToken = false
            const params = prepareConfig.params
            if (params && params.token) {
              params.token = response.data
            }
            service(prepareConfig).then(response => {
              resolve(response)
            })
          }).catch(error => {
            isRefreshToken = false
            MessageBox.confirm(
              '登录状态已过期，您可以继续留在该页面，或者重新登录',
              '系统提示',
              {
                confirmButtonText: '重新登录',
                cancelButtonText: '取消',
                type: 'warning'
              }
            ).then(() => {
              store.dispatch('LogOut').then(() => {
                location.reload() // 为了重新实例化vue-router对象 避免bug
              }).catch(() => {
                location.reload()
              })
            })
          })
        })
      }else if (code === 401) {
        store.dispatch('LogOut').then(() => {
          // 用户登录界面提示
          Cookies.set('point', 401)
          location.reload()
        })
      } else if (code === 403) {
        router.push({ path: '/401' })
      } else {
        const errorMsg = error.response.data
        if (errorMsg !== undefined) {
          Notification.error({
            title: errorMsg ,  //400的时候 错误的信息会到这里 如果以后需要处理 就处理这里
            duration: 5000
          })
        }
      }
    } else {
      console.log(error,'error')
      Notification.error({
        title: '接口请求失败',
        duration: 5000
      })
    }
    return Promise.reject(error)
  }
)
export default service
